26
29A-SX1
29A-SX5
29A-SX8
TROUBLE SHOOTING TABLE (Continued)
Normal
No snow noise.
Check pin (19) of TU200.
Abnormal
C
Noise or signal
appear.
Is AV1, AV2, AV3 or
DVD input normal?
Check Q200, Q201, Q203
and their peripheral circuit.
Check TU200(TUNER)
and its related parts.
Yes
No
Check pin (36) of
IC401 noise or signal
appear?
Check IC401 its
peripheral circuit.
No
Yes
Check pin (15) of
IC801 noise or signal
appear?
Check IC400, Q404,
Q410, Q412 and
their peripheral
circuit.
Check IC801 RGB
out Normal?
Check IC900,
IC800, IC802, IC803
and their peripheral
circuit.
Check the
peripheral circuits
of screen heater
(FBT) and the CRT.
Check IC3801,
IC3802, IC3803
and their peripheral
circuit.
Yes
Are pin (8) of IC3801, pin (8) of
IC3802 and pin (8) of IC3803.
Yes
No
No
Yes
No
Summary of Contents for 29A-SX1
Page 31: ...31 29A SX1 29A SX5 29A SX8 WAVEFORMS ...
Page 32: ...32 29A SX1 29A SX5 29A SX8 CHASSIS LAYOUT ...
Page 33: ...33 29A SX1 29A SX5 29A SX8 ...
Page 34: ...34 29A SX1 29A SX5 29A SX8 BLOCK DIAGRAM MAIN UNIT BLOCK DIAGRAM ...
Page 35: ...35 29A SX1 29A SX5 29A SX8 ...
Page 37: ...37 29A SX1 29A SX5 29A SX8 ...
Page 41: ...41 29A SX1 29A SX5 29A SX8 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 CRT UNIT ...
Page 43: ...43 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 45: ...45 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 47: ...47 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 49: ...49 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 51: ...51 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 53: ...53 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 55: ...55 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 57: ...57 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 59: ...59 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 63: ...63 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 65: ...65 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 67: ...67 29A SX1 29A SX5 29A SX8 10 11 12 13 14 15 16 17 18 19 ...
Page 70: ...70 29A SX1 29A SX5 29A SX8 M E M O ...
Page 85: ...Ref No Part No Description Code Ref No Part No Description Code 85 29A SX1 29A SX5 29A SX8 ...